FITSOK CF2 Cushion Crew socks are engineered with an excellent combination of technologies and features to deliver a completely comfortable and supportive sock. The engineered heel reinforces the shape of the heel to reduce discomfort and stabilize ankle support. With an Arch Clincher, the socks are locked into place, aiding arch support while reducing friction. FLOWTEK Channels promote airflow on all sides of the foot, dispersing heat and moisture around the foot. Superior Venting mesh construction expedites removal of heat from the foot. Max Arch Support alleviates foot fatigue by providing a supportive fit around the arch. Precision Toe provides a contoured fit and eliminates bunching and irritation at the end of the foot. .. [read more]